With a sextant and a wristwatch chronometer – here, a Rolex Submariner – navigators can calculate longitude at sea.
Gipsy Moth IV rounding Cape Horn in March 1967. Sir Francis Chichester battled strong winds of up to 50 knots during this dangerous leg of his solo voyage around the world between August 1966 and May 1967.
Sir Francis Chichester, the first person to sail single-handed around the world from west to east – a nine-month voyage lasting from August 1966 to May 1967.
The Rolex watch – a chronometer-certified Oyster Perpetual – worn by Sir Francis Chichester during his solo circumnavigation of the world, August 1966 – May 1967.
In 1969, seafarer and writer Bernard Moitessier made the longest-distance non-stop solo voyage, clocking up 37,455 nautical miles after 300 days at sea.
Sir Robin Knox-Johnston, winner of the Sunday Times Golden Globe Race in 1969, the first non-stop solo round-the-world race.
The Rolex Giraglia, 2018. Rolex has partnered the offshore race since 1998.
The Yacht Club de Monaco's flagship, Tuiga, at Les Voiles de Saint-Tropez, 2012.
The Maxi 72 Momo in the Rolex Giraglia, 2018.
The Rolex Swan Cup 2012. The Swan Cup is reserved exclusively for boats built by the Finnish shipyard Nautor's Swan.